File: multi-extension.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (25 lines) | stat: -rw-r--r-- 748 bytes parent folder | download | duplicates (14) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
; RUN: opt < %s -codegenprepare -S -mtriple=x86_64-unknown-unknown    | FileCheck %s
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.13.0"

declare void @bar(i64)

@b = global i16 0, align 2

; This test case is extracted from PR38125.
; %or is reachable by both a sext and zext that are going to be promoted.
; It ensures correct operation on PromotedInsts.

; CHECK:       %promoted = trunc i32 %or to i16
; CHECK-NEXT:  %c = sext i16 %promoted to i64
define i32 @foo(i16 %kkk) {
entry:
  %t4 = load i16, i16* @b, align 2
  %conv4 = zext i16 %t4 to i32
  %or = or i16 %kkk, %t4
  %c = sext i16 %or to i64
  call void @bar(i64 %c)
  %t5 = and i16 %or, 5
  %z = zext i16 %t5 to i32
  ret i32 %z
}